Name: ATG10108 Alternator 3860082 12391N for VOLVO PENTA Inboard &amp; Sterndrive DPX420 DPX385 DPX375
SKU: ATG10108
Availability: InStock

Description

ATG10108 Alternator 3860082 12391N for VOLVO PENTA Inboard & Sterndrive DPX420 DPX385 DPX375

ATG10108 Alternator – 12V/65A for Volvo Penta Inboard & Sterndrive (DPX420, DPX385, DPX375, 8.1Gi, DPX500)

Key Specifications

Voltage: 12V (Regulated Output: 14V)
Amperage: 65A
Regulator Type: Internal Regulator (IR)
Pulley: 6-Groove, 67mm Outer Diameter (OD)
Rotation: Clockwise (CW)
Condition: High-Quality Aftermarket (OEM-Replacement)

Compatibility

Volvo Penta Marine Engines:

Inboard & Sterndrive Models:
- DPX Series: DPX420, DPX385, DPX375, DPX500
- 8.1Gi Series (2000-2005): 8.1L Gas (496ci, 8-cylinder)
- 8.2L Gas (502ci): DPX500 (2000+)

OEM & Cross-Reference Part Numbers:

Volvo Penta: 3860082, 3860798
Lester: 12391, 12392
WAI: 12391N, 1-2460-01VA, 1-2464-01MD
Valeo: TA000B53101
Sierra Marine: 18-5979
Mando: AC165622
API Marine: 20097, 20105

Features & Benefits

✅ Marine-Grade Durability

Corrosion-resistant housing (saltwater-proof coatings) for extended lifespan in marine environments.
Sealed bearings to prevent water/dust ingress.

✅ High-Performance Output

65A output powers navigation systems, bilge pumps, and onboard electronics.
Precision voltage regulator ensures stable charging for batteries.

✅ Direct Fitment

6-groove pulley matches OEM design (67mm OD).
Bolt-on installation—no modifications required.

✅ Tested Reliability

100% load-tested before shipment.
IP55-rated for moisture and vibration resistance.

Technical Details

Mounting Type: Standard Volvo Penta bracket.
Connector: Integrated 2-pin plug (compatible with OEM wiring).
Weight: ~5.2 kg (11.5 lbs).

Package Includes

1x ATG10108 Alternator
Installation guide (digital/physical).

Applications

Commercial & Recreational Boats with Volvo Penta gas engines.
Replacement for worn or failed OEM alternators.

Warranty & Support

12-month limited warranty.
Technical support for installation queries.

Why Choose This Alternator?

Exact OEM replacement – Matches Volvo Penta’s original specs.
Superior to generic units – Marine-specific materials and testing.
Global availability – Ships with fast lead times.

Warranty

Tianguan provides a 1-year limited warranty for new starters/alternators only. If the problem is caused by Tianguan, the seller pays all shipping costs. The warranty does not apply to improper installation, water/fire damage, modifications, or any natural disasters.

Returns

If the return is caused by the consumer (non-defective return), consumer should be responsible for the shipping fee. The specific fee should be based on the express company you choose. If the item problem is caused by Tianguan, contact us before return item, we will provide refund/exchange/or other way to solve it.No refund/exchange to provide if no notification before sending back items beforehand. If customer received damaged product, customer need to send email to linda@tgautoparts.com in 72 hours of item delivered. Customer need to send pictures/videos(use to proof related issues) in emails, Tianguan will recognize the return reason/confirm the issue. Our team will feedback to customer asap. ◉ Damaged Item Damaged merchandise includes items that are damaged during shipping. If you receive the package and then find shipping damage, please save all packaging material and paperwork and contact us immediately by mail linda@tgautoparts.come or other way you have. ◉ Technical Support We highly recommend professional installation for all of our products. We are not accepting any exchange or returns due to improper installation.

Shipping

Orders usually been shipped out within 1-2business days after payment has been cleared, Delivery in 5-7 working days .Orders made on Saturdays, Sundays, and holidays will be processed on the next business day. If there is any problem on your order, please feel free to contact our team by email(linda@tgautoparts.com) Please ensure that the shipping address you provide is accurate. We are not responsible for undeliverable addresses. Shipping address of P.O. BOX, APO, FPO or State of HI, AK, VI, PR. will not accepted.

Additional information

Weight	5 kg
Dimensions	32 × 30 × 28 cm
brand	VOLVO

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ATG10108 Alternator 3860082 12391N for VOLVO PENTA Inboard & Sterndrive DPX420 DPX385 DPX375